INFO: task syz-executor.0:5594 blocked for more than 143 seconds.
      Not tainted 6.12.0-rc4-syzkaller-gd12937763990 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:24752 pid:5594  tgid:5593  ppid:5526   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0xe55/0x5730 kernel/sched/core.c:6690
 __schedule_loop kernel/sched/core.c:6767 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6782
 io_schedule+0xbf/0x130 kernel/sched/core.c:7574
 folio_wait_bit_common+0x3d8/0x9b0 mm/filemap.c:1309
 folio_wait_locked include/linux/pagemap.h:1223 [inline]
 gfs2_jhead_process_page+0x4d7/0x5a0 fs/gfs2/lops.c:470
 gfs2_find_jhead+0x6a5/0xd40 fs/gfs2/lops.c:576
 check_journal_clean+0x1de/0x360 fs/gfs2/util.c:76
 init_journal fs/gfs2/ops_fstype.c:806 [inline]
 init_inodes+0x1121/0x2e80 fs/gfs2/ops_fstype.c:864
 gfs2_fill_super+0x1b83/0x2d20 fs/gfs2/ops_fstype.c:1249
 get_tree_bdev+0x36f/0x610 fs/super.c:1635
 gfs2_get_tree+0x4e/0x280 fs/gfs2/ops_fstype.c:1330
 vfs_get_tree+0x8f/0x380 fs/super.c:1800
 do_new_mount fs/namespace.c:3507 [inline]
 path_mount+0x14e6/0x1f20 fs/namespace.c:3834
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4057 [inline]
 __se_sys_mount fs/namespace.c:4034 [inline]
 __x64_sys_mount+0x294/0x320 fs/namespace.c:4034
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f020a07e4aa
RSP: 002b:00007f020ad32ef8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f020ad32f80 RCX: 00007f020a07e4aa
RDX: 000000002001f680 RSI: 000000002001f6c0 RDI: 00007f020ad32f40
RBP: 000000002001f680 R08: 00007f020ad32f80 R09: 0000000000000600
R10: 0000000000000600 R11: 0000000000000246 R12: 000000002001f6c0
R13: 00007f020ad32f40 R14: 000000000001f679 R15: 0000000020000080
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/30:
 #0: ffffffff8e1b8380 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
 #0: ffffffff8e1b8380 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #0: ffffffff8e1b8380 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6720
2 locks held by getty/4978:
 #0: ffff888032daa0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
 #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211
1 lock held by syz-executor.0/5594:
 #0: ffff88806ded00e0 (&type->s_umount_key#66/1){+.+.}-{3:3}, at: alloc_super+0x23d/0xbd0 fs/super.c:344
2 locks held by syz-executor.0/6650:

=============================================

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc4-syzkaller-gd12937763990 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
 watchdog+0xf0c/0x1240 kernel/hung_task.c:379
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 6650 Comm: syz-executor.0 Not tainted 6.12.0-rc4-syzkaller-gd12937763990 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:87 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x111/0x1a0 mm/kasan/generic.c:189
Code: 44 89 c2 e8 b1 ea ff ff 83 f0 01 5b 5d 41 5c c3 cc cc cc cc 48 85 d2 74 4f 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 41 80 38 00 <74> f2 eb b2 41 bc 08 00 00 00 45 29 dc 49 8d 14 2c eb 0c 48 83 c0
RSP: 0018:ffffc9000ad675b8 EFLAGS: 00000246
RAX: ffffed1006092c4b RBX: ffffed1006092c4c RCX: ffffffff81f8c5bb
RDX: ffffed1006092c4c RSI: 0000000000000004 RDI: ffff88803049625c
RBP: ffffed1006092c4b R08: 0000000000000001 R09: ffffed1006092c4b
R10: ffff88803049625f R11: 0000000000000000 R12: ffff888030496240
R13: 0000000000000001 R14: 0000000000000000 R15: 00000000044801ae
FS:  00007efe7821c6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efe6f1ff000 CR3: 000000006e468000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
 atomic_fetch_sub_release include/linux/atomic/atomic-instrumented.h:400 [inline]
 __refcount_sub_and_test include/linux/refcount.h:264 [inline]
 refcount_sub_and_test include/linux/refcount.h:302 [inline]
 dec_stack_record_count mm/page_owner.c:227 [inline]
 __reset_page_owner+0x2fb/0x400 mm/page_owner.c:310
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_folios+0x956/0x1310 mm/page_alloc.c:2686
 folios_put_refs+0x551/0x750 mm/swap.c:1007
 folio_batch_release include/linux/pagevec.h:101 [inline]
 shmem_undo_range+0x586/0x1170 mm/shmem.c:1032
 shmem_truncate_range mm/shmem.c:1144 [inline]
 shmem_evict_inode+0x3a3/0xba0 mm/shmem.c:1272
 evict+0x409/0x970 fs/inode.c:725
 iput_final fs/inode.c:1877 [inline]
 iput fs/inode.c:1903 [inline]
 iput+0x530/0x890 fs/inode.c:1889
 dentry_unlink_inode+0x29c/0x480 fs/dcache.c:412
 __dentry_kill+0x1d0/0x600 fs/dcache.c:615
 dput.part.0+0x4b1/0x9b0 fs/dcache.c:857
 dput+0x1f/0x30 fs/dcache.c:847
 __fput+0x513/0xb60 fs/file_table.c:439
 __fput_sync+0x45/0x50 fs/file_table.c:516
 __do_sys_close fs/open.c:1567 [inline]
 __se_sys_close fs/open.c:1552 [inline]
 __x64_sys_close+0x86/0x100 fs/open.c:1552
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efe7747bc9a
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24
RSP: 002b:00007efe7821be90 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007efe7747bc9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000010 R08: 0000000000000000 R09: 000000000001f672
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 00007efe7821bf80 R14: 00007efe7821bf40 R15: 00007efe6e200000
 </TASK>